How long is the delivery time?

The standard delivery time is 30 to 45 days.

What payment terms are accepted?

We accept T/T, L/C, Money Gram, and PayPal.

What tests are performed on the steel?

Tests include tensile strength, yield strength, elongation, impact value, hardness, grain size, and ultrasonic testing.

55crmna Sup9 55cr3 Quenched Tempered Spring Steel Round Bar

Name: 55crmna Sup9 55cr3 Quenched Tempered Spring Steel Round Bar
Brand: HUNAN QILU INDUSTRIAL CO., LTD.
SKU: 2001986272

Hunan, ChinaHUNAN QILU INDUSTRIAL CO., LTD.

US$680.00-1,050.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Quality Assurance

Warranty

Three Years

Model NO.

SUP9

Type

Alloy Steel Bar

Standard

AISI, ASTM, GB, JIS, DIN, BS

Technique

Cold Drawn

Application

Structural Steel Bar, Tool Steel Bar, Die Steel Bar

Surface Treatment

Polished

Special Use

Mold Steel, Free Cutting Steel, Cold Heading Steel

Payment Term

30% Tt Deposit, Balance Against Bl Copy

Length

3000-6000mm

Delivery Date

15 Days

Ex-Stock

Ut Standard

Sep 1921-84 D/D

Grain Size

ASTM E112

Non-Metallic Inclusiton

ASTM E45

Form

Round Bars/ Flat Bar / Blocks/ Tube

Process

Eaf+Lf+Vd+Forged+Heat Treatment(Optional)

Technology

Hot Rolled/ Forged/ Cold Drawn

Heat Treatment

Normalized;Annealed ;Quenched ;Tempered

Surface

Black; Peeled; Polished; Machined; Grinded; Turne

Test

Ensile Strength, Yield Strength, Elongation

Certificate

ISO/ Mill Certificate

Transport Package

Seaworthy Package

Trademark

Qilu

Origin

China

HS Code

7228400000

Production Capacity

400, 000ton/Year

Key features

Comprehensive Warranty: Three-year warranty coverage for quality assurance on all products.

Multiple Standards Compliance: Meets AISI, ASTM, GB, JIS, DIN, and BS international standards.

Versatile Heat Treatment: Available in Normalized, Annealed, Quenched, and Tempered conditions.

Wide Size Range: Round bars from 6mm to 120mm diameter; plates up to 60mm thickness.

Diverse Surface Options: Offering Black, Peeled, Polished, Machined, Grinded, and Turned finishes.

Fast Delivery: Standard delivery time of 30 to 45 days for most orders.

Extensive Testing Capabilities: Includes tensile strength, yield strength, elongation, and ultrasonic testing.

Global Export Experience: Over 11 years of exporting steel to markets in Europe, America, and Asia.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryLow MOQ

HUNAN QILU INDUSTRIAL CO., LTD.

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2008-06-01Nearest Port: SHANGHAI, NINGBO, QINGDAOAverage Response Time: ≤1.87hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as HUNAN QILU INDUSTRIAL CO., LTD., a China-based limited company with conflicting classifications as both a trading company and manufacturer/factory. It has broad steel-related business activities, extensive stated export markets, self-operated import/export rights, and eight years of export experience. Customization, ODM, and OEM capabilities are explicitly reported. However, service-management documentation is absent, including supplier approval, corrective-action, and complaint-handling procedures. No in-stock, overseas warehouse, showroom, agent, or branch capability is reported. Financial records are referenced for 2021–2023, but no substantive financial performance evidence is provided. Production volumes and staffing are stated, although the supplier’s trading-company classification creates uncertainty regarding direct manufacturing capacity. No certifications or customer cases are documented.

After-Sales capabilityThe supplier reports no written procedures or records for service-capability assessment, corrective and preventive actions, or customer-complaint handling. It also reports no in-stock service, overseas warehouse, showroom, agent, or branch capability, although lead times are stated as one month in both peak and off-season periods.

R&D capabilityThe supplier reports total R&D-engineer experience of 6–10 years and offers ODM services, indicating some design and development capability. However, it has no available SDK, and the slices do not provide concrete innovation outputs, patents, or product-development records.

Production capacityThe supplier states production categories covering cold-drawn material, steel round bar, steel plate, and steel pipe, with substantial annual output figures and 11–20 quality-control staff. However, its classification as both trading company and manufacturer/factory is inconsistent, so the extent of directly controlled production capacity requires verification.

Customization capabilityFlexible customization is explicitly reported, together with ODM service availability and OEM service for popular brands. These statements provide direct evidence of customization and outsourced-brand production capability.